<template>
  <el-form-item :label="props.title">
    <div class="files-uploader-container">
      <div class="files-uploader-list">
        <ul>
          <li v-for="file in fileList" :key="file.id">
            <p class="tit" :class="getFileType(file.name)">{{ file.name }}</p>
            <div class="remove-btn" @click.stop="removeFile(file.id)">
              <el-icon><Delete /></el-icon>
            </div>
          </li>
        </ul>
      </div>
      <el-button @click="showFilesUpload = true">上传附件</el-button>
    </div>
    <FilesUpload v-model:showDialog="showFilesUpload" :limit="props.setting.limit" @getFileList="handleGetFiles" />
  </el-form-item>
</template>

<script setup>
import { defineProps, ref, defineEmits, computed } from 'vue'
import { Delete } from '@element-plus/icons-vue'
const props = defineProps({
  title: {
    type: String,
    default: ''
  },
  value: {
    type: String,
    default: null
  },
  field: {
    type: String,
    default: ''
  },
  required: {
    type: Boolean,
    default: false
  },
  setting: {
    type: Object,
    default: () => {}
  },
  children: {
    type: Array,
    default: () => []
  },
  childrenShow: {
    type: Boolean,
    default: false
  }
})
const emits = defineEmits(['update:value'])

const showFilesUpload = ref(false)
const fileList = computed({
  get: () => JSON.parse(props.value) || [],
  set: val => {
    emits('update:value', JSON.stringify(val))
  }
})

const handleGetFiles = files => {
  fileList.value = fileList.value.concat(files)
}
//删除附件
const removeFile = id => {
  fileList.value = fileList.value.filter(item => item.id !== id)
}

const getFileType = name => {
  return name.substring(name.lastIndexOf('.') + 1)
}
</script>

<style lang="scss" scoped>
.files-uploader-container {
  width: 100%;
  .files-uploader-list {
    margin-bottom: 10px;
    ul {
      li {
        display: flex;
        align-items: center;
        margin-bottom: 10px;
        cursor: pointer;
        border-radius: 4px;
        margin: 0 -5px;
        padding: 0 5px;
        .tit {
          flex: 1;
          position: relative;
          padding-left: 30px;
          &:before {
            position: absolute;
            left: 0;
            font-size: 22px;
            line-height: 1;
            content: '\e663';
            display: block;
            font-family: 'iconfont';
            top: 50%;
            transform: translateY(-50%);
          }
          &.doc:before,
          &.docx:before {
            content: '\edd5';
            color: #4568a0;
          }
          &.xls:before,
          &.xlsx:before {
            content: '\e67a';
            color: #378458;
          }
          &.pdf:before {
            content: '\e602';
            color: #e81f05;
          }
          &.zip:before {
            content: '\e605';
            color: #a372db;
          }
        }
        .remove-btn {
          color: $white;
          cursor: pointer;
          display: none;
          height: 24px;
          width: 24px;
          background-color: #ff5240;
          box-sizing: border-box;
          border: 1px solid rgba(255, 255, 255, 0.5);
          align-items: center;
          justify-content: center;
          i {
            font-size: 16px;
          }
        }
        &:hover {
          background-color: $focusContent;
          .remove-btn {
            display: flex;
          }
        }
      }
    }
  }
  .files-uploader {
    cursor: pointer;
  }
}
</style>
